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navsection: installguide
title: Containers API SLURM prerequisites
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Copyright (C) The Arvados Authors. All rights reserved.

SPDX-License-Identifier: CC-BY-SA-3.0
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Containers can be dispatched to a SLURM cluster.  The dispatcher sends work to the cluster using SLURM's @sbatch@ command, so it works in a variety of SLURM configurations.

In order to run containers, you must run the dispatcher as a user that has permission to set up FUSE mounts and run Docker containers on each compute node.  This install guide refers to this user as the @crunch@ user.  We recommend you create this user on each compute node with the same UID and GID, and add it to the @fuse@ and @docker@ system groups to grant it the necessary permissions.  However, you can run the dispatcher under any account with sufficient permissions across the cluster.